Replacement roller brush compatible with i6 (6150), i6+ (6550), i3 (3150), i3+ (3550), i4 (4150), i4+ (4550), i7 (7150), i7+ (7550), i8 (8150), i8+ (8550), E5 (5150), E6 (6198), and (6134) vacuum cleaners. The dual multi-surface brush extractor features a durable tread designed to grab and break up dirt and debris from any floor type. The brushless design is virtually maintenance-free. Made from high-quality materials, the surface brush extractor effectively captures dust, pet hair, and small particles. Replace the brushes every 2 to 4 months to maintain optimal vacuum performance. Material: Plastic. Color: Green. Package includes: 2 pairs of roller brushes and 1 cleaning brush. Light display and monitor settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.